1997 Oldsmobile Cutlass Supreme Owner's Manual - Page 267

Clean the outsideof the windshield with GM Windshield Cleaner, BonAmi' Powder (non-scratching Glass should be cleaned often. GM Glass Cleaner (GM glass cleaning powder), GM Part No. 1050011. The Part No. 1050427) or a liquid household glass cleaner windshield is clean if beads do not form when you rinse will remove normal tobacco smoke and dust films on it with water. interior glass. Grime from the windshield will stick to the wiper blades Don't use abrasive cleaners on glass, because they may and affect their performance. Clean the blade by wiping cause scratches.Avoid placing decals on the inside rear vigorously with a cloth soaked in full-strength windshield window, since they may have to be scraped off later. If washer solvent. Then rinse the blade with water. abrasive cleaners are used on the inside of the rear window, an electric defogger element may be damaged. Check the wiper blades and clean them as necessary; Any temporary license should not be attached across the replace blades that look worn. defogger grid. Glass Weatherstrips Silicone grease on weatherstrips will make them last longer, seal better, and not stick or squeak. Apply silicone grease with a clean cloth at least every six If the windshield is not clear after using the windshield months. During very cold, damp weather more frequent washer, or if the wiper blade chatters when running, application may be required. (See "Recommended wax, sap or other material may be on the blade Fluids and Lubricants" in the Index.) or windshield. Cleaning the Outsideof the Windshield and Wiper Blades 6-44